Efficacy and Safety Study to Evaluate Combination Therapy With Nebivolol and Lisinopril vs. Placebo and Monotherapy in Patients With Stage 2 Diastolic Hypertension

nebivolol 5-mg and lisinopril 10-mg (nebivolol non-trade 5-mg tablet and overencapsulated lisinopril 10-mg tablet)/QD/oral administration/up to 12 weeks nebivolol 20-mg and lisinopril 40-mg (nebivolol non-trade 20-mg tablet and overencapsulated lisinopril 40-mg tablet)/QD/oral administration/up to 10 weeks nebivolol 5-mg and lisinopril 40-mg (nebivolol non-trade 5-mg tablet and overencapsulated lisinopril 40-mg tablet)/QD/oral administration/up to 6 weeks nebivolol 20-mg and lisinopril 10-mg (nebivolol non-trade 20-mg tablet and overencapsulated lisinopril 10-mg tablet/QD/oral administration/up to 6 weeks

nebivolol 5-mg (non-trade 5-mg tablet)/QD/oral administration/up to 12 weeks nebivolol 10-mg (non-trade 10-mg tablet/QD/oral administration/for 1-week down-titration period only) nebivolol 20-mg (non-trade 20-mg tablet)/QD/oral administration/up to 10 weeks